Home
Class 12
MATHS
The angle between the normals to the pla...

The angle between the normals to the planes `x-y+2z=8` and `2x+y+z=12` is -

A

`(pi)/(6)`

B

`(pi)/(3)`

C

`(pi)/(4)`

D

`(2pi)/(3)`

Text Solution

Verified by Experts

The correct Answer is:
B
Promotional Banner

Topper's Solved these Questions

  • MCQ ZONE

    CHHAYA PUBLICATION|Exercise Question Paper 5|80 Videos
  • MAXIMA AND MINIMA

    CHHAYA PUBLICATION|Exercise Sample Questions for Competitive Examination E|2 Videos
  • MCQ ZONE 3

    CHHAYA PUBLICATION|Exercise Question Paper 8|30 Videos

Similar Questions

Explore conceptually related problems

CHOOSE the correct answer from the following alternative : the angles between the two planes x-y+2z=9 and 2x+y+z=7 is -

The angle between the planes x-2y+2z=5 and 2x-3y+6z=11 is -

Find the angle between the plane x-y+2z=9 and 2x+y+z=7

Find the angle between the planes x-y+2z=9 and 2x+y+z=7.

The distance between the parallel planes x+2y-2z-1=0 and 2x+4y-4z+5=0 is __

Angle between the planes x+y+2z=6 and 2x-y+z=9 is

The angle between the planes 2x - y +z = 6 and x + y+2z = 7 is

Angle between the planes x + y +2z =6 and 2x -y + z = 9 is

The actue angle between the plane 2x-y+z=6 and x+y+2z=3 is __

Distance between two parallel planes 2x + y + 2z = 8 and 4x + 2y + 4z + 5 = 0 is-

CHHAYA PUBLICATION-MCQ ZONE -Question Paper 7
  1. 5 unbiased coins are tossed at random. The probability of getting at l...

    Text Solution

    |

  2. Roots of the equation 3x^2 -6x+4=0 are alpha and beta then find the ...

    Text Solution

    |

  3. The angle between the normals to the planes x-y+2z=8 and 2x+y+z=12 is...

    Text Solution

    |

  4. The acute angle between the normals to the planes the points (3, 2, 3...

    Text Solution

    |

  5. If the lines (x-1)/(2)=(y-2)/(3)=(z-3)/(4) and (x-4)/(5)=(y-1)/(2)=(z-...

    Text Solution

    |

  6. The equation of the line passing through the point (2, -3, 1) and para...

    Text Solution

    |

  7. If the straight line joining the points (4, -3, 2) and (3, -1, 5) is p...

    Text Solution

    |

  8. If veca=hati-2hatj+3hatk and vecb=-2hati+hatj-2hatk, then the value o...

    Text Solution

    |

  9. A unit vector perpendicular to both the vectors hati+hatj and hatj+hat...

    Text Solution

    |

  10. If the vectors vec alpha=hati+3hatj+hatk, vec beta=2hati-hatj-hatk an...

    Text Solution

    |

  11. If |veca xx vecb|^2+(veca*vecb)^(2)=196 and |vecb|=2, then the value o...

    Text Solution

    |

  12. If e^(y)+xy=e^(2) then the value of (d^(2)y)/(dx^(2)) at x=0 is -

    Text Solution

    |

  13. Derivative of sin^(-1)x w.r.t. cos^(-1) sqrt(1-x^(2)) is -

    Text Solution

    |

  14. If x=a(theta+sin theta), y=a(1-cos theta), then the value of (dy)/(d...

    Text Solution

    |

  15. The equation ax^(2)+bx+c=0 has one real root between 0 and k. If 4a...

    Text Solution

    |

  16. If lim(x to oo) [ (x^(3)+1)/(x^(2)+1)-(ax+b)]=2, then the values of a ...

    Text Solution

    |

  17. Let f(x) be continuous in (-oo, oo) and f'(x) exists in (-oo, oo). If...

    Text Solution

    |

  18. The value of lim(x to 0) (1-3x)^((3)/(x)) is equal to -

    Text Solution

    |

  19. If y=2sin^(- 1)((x-2)/sqrt(6))-sqrt(2+4x-x^2) then prove that dy/dx at...

    Text Solution

    |

  20. If f(x)=tan^(-1)((3x-x^(3))/(1-3x^(2))) and phi(x)=cos^(-1)((1-x^(2)...

    Text Solution

    |